Method and apparatus for restricting flow through an opening in the side wall of a body lumen, and/or for reinforcing a weakness in the side wall of a body lumen, while still maintaining substantially normal flow through the body lumen

US9763665B2 · kind B2 · utility

Assignee

• Cornell University · IT

Inventors

• Howard Riina · Scarsdale, US
• Robert R. Andrews · Norfolk, US
• Clair Strohl · Norfolk, US
• Jeffrey Milsom · New York, US
• J. Frederick Cornhill · New York, US
• Kevin Thomas Smith · Lamar, US
• David G. Lamphere · Framingham, US
• Tuan Nguyen · Woburn, US

Key dates

• Filing date: Feb 28, 2014
• Grant date: Sep 19, 2017
• Expiry date: Jun 26, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2230/0095
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An expandable substantially spherical structure for deployment in a blood vessel or other body lumen, comprising: an open frame formed out of a closed loop of filament and configured to assume (i) a collapsed configuration in the form of a substantially two-dimensional elongated loop structure so as to facilitate insertion into the blood vessel or other body lumen, and (ii) an expanded configuration in the form of a three-dimensional substantially spherical structure so as to facilitate retention at a site in the blood vessel or other body lumen; and a flow-restricting face carried by the open frame; wherein the open frame is configured so as to permit substantially normal flow therethrough when the open frame is in its expanded configuration, and further wherein the flow-restricting face is configured so as to restrict flow therethrough.